package com.imooc.mapper;

import com.imooc.my.mapper.MyMapper;
import com.imooc.pojo.ItemsSpec;
import org.apache.ibatis.annotations.Param;

public interface ItemsSpecMapperCustom extends MyMapper<ItemsSpec> {

    int decreaseItemSpecStock(@Param("specId") String specId,@Param("buyCounts") int buyCounts);
}